305049204 has 18 divisors (see below), whose sum is σ = 771096690. Its totient is φ = 101683056.

The previous prime is 305049197. The next prime is 305049341. The reversal of 305049204 is 402940503.

It can be written as a sum of positive squares in only one way, i.e., 237776400 + 67272804 = 15420^2 + 8202^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×305049204² = 186110033722067232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4236759 + ... + 4236830.

It is an arithmetic number, because the mean of its divisors is an integer number (42838705).

Almost surely, 2^305049204 is an apocalyptic number.

It is an amenable number.

305049204 is an abundant number, since it is smaller than the sum of its proper divisors (466047486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

305049204 is a wasteful number, since it uses less digits than its factorization.

305049204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8473599 (or 8473594 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 305049204 is about 17465.6578461849. The cubic root of 305049204 is about 673.1677453373.

Adding to 305049204 its reverse (402940503), we get a palindrome (707989707).

The spelling of 305049204 in words is "three hundred five million, forty-nine thousand, two hundred four".